Single Acting Large Tonnage Lock Nut Hydraulic Jack Cylinder with Low Price

Product Description

Single Acting Large Tonnage Lock Nut Hydraulic jack Cylinder With Low Price
Description of self-locking type hydraulic jack:
Self-locking type hydraulic jack is used for supporting heavy in the long term, it could support heavy without oil pressure, safe and reliable. It also could be used under water, single acting, return with loading, nut can be locking automatically, making loading more safe, especially in the large project, it is more easily to be operated and controlled, it has pressurizer, pres-relief valve is prevent to over load in the cylinder to protect jack. The connection of the device adopt high pressure and thread couple, it has the function of quick use, and it also could conquer the disadvantage of oil leak. The jack is mainly used for rising, topping, tear downing in electric power, building, machine manufacturing, mining, railway, bridge, shipbuilding and many industrial.
Features of self-locking type hydraulic jack:
1) Single acting hydraulic jack.
2) Nut could be locking automatically, making load more safe.
3) Specially-made composite material coating has stronger anti-corrosion, and less force of friction.
4) Overflow hole has the function of limiting stroke.
5) The top of piston rod is with a ringlike sphere spacer, it is allow about 8% of bias factor, keeping the pressure of the jack balanced, making jack more longevity.
6) Self-locking hydraulic jack can be customized into double acting hydraulic jack according to the requirement of customer, but closed height need to be increased.
Usage of self-locking type hydraulic jack:
1)If the oil capacity is not enough in the pump, it should pour working oil(10#) and then start to work.
2) Estimate tonnage, prohibit to overload.
3) Confirming the center of gravity of jack, finding the point of strength, meanwhile, it should consider the degree of hardness and softness of ground, whether it need to add a plank to prevent jack will be slant when lifting.
4) After jack lift the heavy, it should use some tough wood to support the heavy, prohibit to use jack as upholder to prevent unbalanced load, there has the dangerous of slant.
5) when working, firstly, it should connect quick coupling with jack, choose a suit placement, screw the bolt of oil pump, and then it could start to work, unscrew the bolt, the cylinder will be unloading.

Model	Capacity T(KN)	Stroke mm	Effective area of cylinder cm2	Capacity of hydraulic oil cm3	Closed height mm	Extend height mm	Outer diameter mm	Weight kg
CLL-55-50	55	50	71.3	356.5	164	214	125	16
CLL-55-100		100		713	214	314		21
CLL-55-150		150		1069.5	264	414		26
CLL-55-200		200		1426	314	514		31
CLL-55-250		250		1782.5	364	614		36
CLL-55-300		300		2139	414	714		41
CLL-100-50	100	50	133.3	666.5	187	237	165	31
CLL-100-100		100		1333	237	337		39
CLL-100-150		150		1999.5	287	437		48
CLL-100-200		200		2666	337	537		57
CLL-100-250		250		3332.5	387	637		65
CLL-100-300		300		3999	437	757		74
CLL-150-50	150	50	198	990	209	259	205	53
CLL-150-100		100		1980	259	359		66
CLL-150-150		150		2970	309	459		78
CLL-150-200		200		3960	359	559		92
CLL-150-250		250		4950	409	659		105
CLL-150-300		300		5940	459	759		118
CLL-200-50	200	50	266.5	1332.5	243	293	250	83
CLL-200-100		150		3997.5	343	493		118
CLL-200-150		250		6662.5	443	693		153
CLL-250-50	250	50	366.4	1832	249	299	275	116
CLL-250-150		150		5496	349	499		163
CLL-250-250		250		9160	449	699		210
CLL-300-50	300	50	457	2285	295	345	310	173
CLL-300-150		150		6855	395	545		233
CLL-300-250		250		11425	495	745		293
CLL-400-50	400	50	559	2795	335	385	350	251
CLL-400-150		150		8385	435	585		327
CLL-400-250		250		13975	535	785		403
CLL-500-50	500	50	730	3650	375	425	400	367
CLL-500-150		150		10950	475	625		467
CLL-500-250		250		18250	575	825		568
CLL-600-50	600	50	857	4285	395	445	430	447
CLL-600-150		150		12855	495	645		563
CLL-600-250		250		21425	595	845		680
CLL-800-50	800	50	1179	5895	455	505	505	711
CLL-800-150		150		5895	555	705		871
CLL-800-250		250		29475	655	905		1031
CLL-1000-50	1000	150	1465	7325	495	545	560	951
CLL-1000-150		50		21975	595	745		1143
CLL-1000-250		250		36625	695	945		1335

Application of self-locking type hydraulic jack:
Self-locking type hydraulic jack is mainly used for rising, topping, tear downing in electric power, building, machine manufacturing, mining, railway, bridge, shipbuilding and many industrial.

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